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https://issues.apache.org/jira/browse/YARN-8009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391504#comment-16391504
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Eric Payne commented on YARN-8009:
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[[email protected]], this property is a per-framework setting, as
[[email protected]] pointed out above for the distributed shell.
For MapReduce, the settings are {{mapreduce.job.running.map.limit}} and
{{mapreduce.job.running.reduce.limit}}.
For tez, it's {{tez.am.vertex.max-task-concurrency}}
> YARN limit number of simultaneously running containers in the application
> level
> -------------------------------------------------------------------------------
>
> Key: YARN-8009
> URL: https://issues.apache.org/jira/browse/YARN-8009
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: yarn
> Affects Versions: 3.0.0
> Reporter: Sachin Jose
> Priority: Minor
> Labels: features
>
> It would be really useful if the user can specify maximum containers can be
> running simultaneously in the application level. Most of the long running
> YARN application can be benefited out of it. At this moment, the only
> available option to restrict resource over usage of long running is in the
> YARN resource manager queue level.
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